package org.xin.framework.config;

import com.github.xiaoymin.knife4j.spring.annotations.EnableKnife4j;
import io.swagger.annotations.ApiOperation;
import io.swagger.models.auth.In;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;
import org.xin.framework.config.properties.ConfigProperties;
import springfox.documentation.builders.ApiInfoBuilder;
import springfox.documentation.builders.RequestHandlerSelectors;
import springfox.documentation.service.*;
import springfox.documentation.spi.DocumentationType;
import springfox.documentation.spi.service.contexts.SecurityContext;
import springfox.documentation.spring.web.plugins.Docket;
import springfox.documentation.swagger2.annotations.EnableSwagger2;

import java.util.ArrayList;
import java.util.List;

/**
 * @author ：xin
 * @date ：Created in 2021/9/30
 * @desc <p>  </p>
 * @modified By：$
 * @version: $
 */
@Configuration
@EnableSwagger2
@EnableKnife4j
public class Swagger2Config {
    @Autowired
    ConfigProperties configProperties;

    @Bean
    public Docket api() {
        ConfigProperties.Swagger swagger = configProperties.getSwagger();
        return new Docket(DocumentationType.SWAGGER_2)
                .groupName(swagger.getGroupName())
                .apiInfo(
                        new ApiInfoBuilder()
                                .title(swagger.getTitle())
                                .description(swagger.getDescription())
                                .version(swagger.getVersion())
                                .termsOfServiceUrl(swagger.getTermsOfServiceUrl())
                                .contact(new Contact(swagger.getContactName(), swagger.getContactUrl(), swagger.getContactEmail()))
                                .build()
                )
                .select()
                //只显示xxx路径下的页面
//                .paths(PathSelectors.regex(swagger.getBasePath()))
                .apis(RequestHandlerSelectors.withMethodAnnotation(ApiOperation.class))
                .build();

    }

    /**
     * 安全模式，这里指定token通过Authorization头请求头传递
     */
    private List<SecurityScheme> securitySchemes() {
        List<SecurityScheme> apiKeyList = new ArrayList<SecurityScheme>();
        apiKeyList.add(new ApiKey("Authorization", "Authorization", In.HEADER.toValue()));
        return apiKeyList;
    }

    /**
     * 安全上下文
     */
    private List<SecurityContext> securityContexts() {
        List<SecurityContext> securityContexts = new ArrayList<>();
        securityContexts.add(
                SecurityContext.builder()
                        .securityReferences(defaultAuth())
                        .operationSelector(o -> o.requestMappingPattern().matches("/.*"))
                        .build());
        return securityContexts;
    }

    /**
     * 默认的安全上引用
     */
    private List<SecurityReference> defaultAuth() {
        AuthorizationScope authorizationScope = new AuthorizationScope("global", "accessEverything");
        AuthorizationScope[] authorizationScopes = new AuthorizationScope[1];
        authorizationScopes[0] = authorizationScope;
        List<SecurityReference> securityReferences = new ArrayList<>();
        securityReferences.add(new SecurityReference("Authorization", authorizationScopes));
        return securityReferences;
    }
}
